This could mean that the next Mass Effect game could be a prequel or even have nothing to do with the previous trilogy. Or it could just be a way to throw us all off so we don’t spoil anything for ourselves. When asked why the official name hasn’t been announced, he responded:

@MattDawson23 Maybe it hasn’t been decided fully? Maybe it’s a spoiler? Maybe we want to save it for the big reveal? Lots of possible reason